package Demo01;

// 龟兔赛跑案例

public class Thread05Race implements Runnable {
    // 胜利者
    private static String winner;

    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {
            // 模拟兔子睡觉
            if (Thread.currentThread().getName().equals("兔子") && i%10==0){
                try {
                    Thread.sleep(1);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

            // 判断 比赛是否结束
            boolean flag = gaemOver(i);
            // 如果比赛结束了，就停止程序
            if (flag) {
                break;
            }
            System.out.println(Thread.currentThread().getName()+"--->跑了"+i+"步");
        }
    }

    // 判断是否完成比赛
    private boolean gaemOver(int steps){
        if (winner != null){
            // 已经存在胜利者了
            return true;
        } else {
            if (steps >= 100){
                winner = Thread.currentThread().getName();
                System.out.println("winner is"+ winner);
                return true;
            }
        }
        return false;
    }

    public static void main(String[] args) {
        Thread05Race race = new Thread05Race();

        new Thread(race,"兔子").start();
        new Thread(race,"乌龟").start();
    }
}
